Tags

Type your tag names separated by a space and hit enter

Long-term differences in extinction risk among the seven forms of rarity.
Proc Biol Sci. 2012 Dec 22; 279(1749):4969-76.PB

Abstract

Rarity is widely used to predict the vulnerability of species to extinction. Species can be rare in markedly different ways, but the relative impacts of these different forms of rarity on extinction risk are poorly known and cannot be determined through observations of species that are not yet extinct. The fossil record provides a valuable archive with which we can directly determine which aspects of rarity lead to the greatest risk. Previous palaeontological analyses confirm that rarity is associated with extinction risk, but the relative contributions of different types of rarity to extinction risk remain unknown because their impacts have never been examined simultaneously. Here, we analyse a global database of fossil marine animals spanning the past 500 million years, examining differential extinction with respect to multiple rarity types within each geological stage. We observe systematic differences in extinction risk over time among marine genera classified according to their rarity. Geographic range played a primary role in determining extinction, and habitat breadth a secondary role, whereas local abundance had little effect. These results suggest that current reductions in geographic range size will lead to pronounced increases in long-term extinction risk even if local populations are relatively large at present.

Authors+Show Affiliations

Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305, USA. paulharnik@nescent.orgNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.

Language

eng

PubMed ID

23097507

Citation

Harnik, Paul G., et al. "Long-term Differences in Extinction Risk Among the Seven Forms of Rarity." Proceedings. Biological Sciences, vol. 279, no. 1749, 2012, pp. 4969-76.
Harnik PG, Simpson C, Payne JL. Long-term differences in extinction risk among the seven forms of rarity. Proc Biol Sci. 2012;279(1749):4969-76.
Harnik, P. G., Simpson, C., & Payne, J. L. (2012). Long-term differences in extinction risk among the seven forms of rarity. Proceedings. Biological Sciences, 279(1749), 4969-76. https://doi.org/10.1098/rspb.2012.1902
Harnik PG, Simpson C, Payne JL. Long-term Differences in Extinction Risk Among the Seven Forms of Rarity. Proc Biol Sci. 2012 Dec 22;279(1749):4969-76. PubMed PMID: 23097507.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Long-term differences in extinction risk among the seven forms of rarity. AU - Harnik,Paul G, AU - Simpson,Carl, AU - Payne,Jonathan L, Y1 - 2012/10/24/ PY - 2012/10/26/entrez PY - 2012/10/26/pubmed PY - 2013/5/25/medline SP - 4969 EP - 76 JF - Proceedings. Biological sciences JO - Proc Biol Sci VL - 279 IS - 1749 N2 - Rarity is widely used to predict the vulnerability of species to extinction. Species can be rare in markedly different ways, but the relative impacts of these different forms of rarity on extinction risk are poorly known and cannot be determined through observations of species that are not yet extinct. The fossil record provides a valuable archive with which we can directly determine which aspects of rarity lead to the greatest risk. Previous palaeontological analyses confirm that rarity is associated with extinction risk, but the relative contributions of different types of rarity to extinction risk remain unknown because their impacts have never been examined simultaneously. Here, we analyse a global database of fossil marine animals spanning the past 500 million years, examining differential extinction with respect to multiple rarity types within each geological stage. We observe systematic differences in extinction risk over time among marine genera classified according to their rarity. Geographic range played a primary role in determining extinction, and habitat breadth a secondary role, whereas local abundance had little effect. These results suggest that current reductions in geographic range size will lead to pronounced increases in long-term extinction risk even if local populations are relatively large at present. SN - 1471-2954 UR - https://www.unboundmedicine.com/medline/citation/23097507/Long_term_differences_in_extinction_risk_among_the_seven_forms_of_rarity_ L2 - https://royalsocietypublishing.org/doi/10.1098/rspb.2012.1902?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -